Evanston, WY
Climate overview — based on NOAA 1991-2020 normals from EVANSTON 1 E, WY US.
Year-round temperatures (°F)
Climate summary
Evanston has an annual average temperature of 42°F with about 12.1 inches of precipitation per year. The warmest month is July (average high 81.2°F), and the coldest is January (average low 11.1°F). May is typically the wettest month (1.89 in) and February the driest (0.60 in).
Best time to visit Evanston
Full guide →Climate change signal
All-time records →76 of 366 (20.8%) of Evanston's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1890s | 8 | |
| 1900s | 12 | |
| 1910s | 19 | |
| 1920s | 14 | |
| 1930s | 29 | |
| 1940s | 16 | |
| 1950s | 22 | |
| 1960s | 30 | |
| 1970s | 17 | |
| 1980s | 57 | |
| 1990s | 23 | |
| 2000s | 29 | |
| 2010s | 39 | |
| 2020s | 51 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 32.6°F | 11.1°F | 21.8°F | 0.84 in | — | 5 |
| February | 34.5°F | 13.4°F | 24.0°F | 0.60 in | — | 6 |
| March | 44.1°F | 21.1°F | 32.6°F | 0.74 in | — | 5 |
| April | 53.1°F | 27.2°F | 40.2°F | 0.98 in | — | 7 |
| May | 63.1°F | 34.6°F | 48.9°F | 1.89 in | — | 7 |
| June | 73.2°F | 40.9°F | 57.1°F | 1.13 in | — | 6 |
| July | 81.2°F | 47.6°F | 64.4°F | 0.77 in | — | 4 |
| August | 79.6°F | 46.7°F | 63.2°F | 1.10 in | — | 6 |
| September | 70.7°F | 38.6°F | 54.7°F | 1.17 in | — | 5 |
| October | 57.9°F | 29.5°F | 43.7°F | 1.15 in | — | 6 |
| November | 43.3°F | 19.1°F | 31.2°F | 1.04 in | — | 6 |
| December | 32.7°F | 11.1°F | 21.9°F | 0.71 in | — | 6 |
Climate twins of Evanston
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).